109400066787 has 16 divisors (see below), whose sum is σ = 159194597760. Its totient is φ = 66275059200.

The previous prime is 109400066753. The next prime is 109400066791. The reversal of 109400066787 is 787660004901.

It is not a de Polignac number, because 109400066787 - 2¹⁰ = 109400065763 is a prime.

It is a super-2 number, since 2×109400066787² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109400066707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620862 + ... + 777347.

It is an arithmetic number, because the mean of its divisors is an integer number (9949662360).

Almost surely, 2^109400066787 is an apocalyptic number.

109400066787 is a deficient number, since it is larger than the sum of its proper divisors (49794530973).

109400066787 is a wasteful number, since it uses less digits than its factorization.

109400066787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400594.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 109400066787 in words is "one hundred nine billion, four hundred million, sixty-six thousand, seven hundred eighty-seven".